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Tablet · Samsung · Galaxy Tab S9 Ultra

Samsung Galaxy Tab S9 Ultra Battery Replacement

Battery Replacement guide for the Samsung Galaxy Tab S9 Ultra

Moderate
~38 min
18 steps

Before you begin

Tools

  • Heat gun or hair dryer
  • Suction cups
  • Guitar picks for prying
  • Precision screwdriver set
  • Plastic prying tools
  • Tweezers
  • Anti-static wrist strap

Parts / materials

  • Replacement battery for Galaxy Tab S9 Ultra
  • Battery adhesive removal strips
  • Isopropyl alcohol (90%+)
  • Pre-cut display adhesive

Safety

  • Wear eye protection to shield against potential glass splinters.
  • Do not puncture or bend the Li-ion battery to prevent thermal runaway or fire hazards.
  • Disconnect all power sources and ensure the device is completely powered down before working internally.
  • Work in a well-ventilated space when using high-concentration isopropyl alcohol.

Overview

# Samsung Galaxy Tab S9 Ultra Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Samsung Galaxy Tab S9 Ultra. About 38 minutes across 18 steps. This DIY guide walks through battery replacement on the Samsung Galaxy Tab S9 Ultra (Galaxy Tab S series tablet). Before you open the device, confirm the exact model number on the Samsung settings screen or rear housing so your replacement part matches the Galaxy Tab S9 Ultra specifically—not a similar Galaxy Tab S sibling. Most DIY techs finish this Samsung Galaxy Tab S9 Ultra battery replacement in about 38 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Samsung Galaxy Tab S9 Ultra job: Heat gun or hair dryer, Suction cups, Guitar picks for prying, Precision screwdriver set, Plastic prying tools, Tweezers, Anti-static wrist strap. Parts and supplies: Replacement battery for Galaxy Tab S9 Ultra, Battery adhesive removal strips, Isopropyl alcohol (90%+), Pre-cut display adhesive. Power the Galaxy Tab S9 Ultra off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Samsung Galaxy Tab S9 Ultra, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle battery replacement for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Power off the tablet completely

    1 min

    Press and hold the Power button, then tap Power Off to ensure the tablet is completely shut down.

  2. 2

    Heat the display perimeter

    3 min

    Apply heat using a heat gun or hair dryer around the edges of the display for 2-3 minutes to soften the strong screen adhesive.

  3. 3

    Attach a suction cup

    1 min

    Press a heavy-duty suction cup onto the lower portion of the front glass, near the edge.

  4. 4

    Insert an opening pick

    2 min

    Pull up firmly on the suction cup to create a gap between the glass and frame, then slide a plastic opening pick inside.

  5. 5

    Slice around the screen adhesive

    5 min

    Slide the pick gently around all four sides of the display to break the adhesive bond, keeping the pick shallow to avoid damaging flex cables.

  6. 6

    Lift the display open

    2 min

    Slowly swing the display open from the right side, leaning it against a stable object so you do not strain the ribbon cables.

  7. 7

    Unscrew the display bracket

    2 min

    Use a Phillips #00 screwdriver to remove the small screws holding the metal bracket over the display connectors.

  8. 8

    Disconnect the display flex cables

    2 min

    Pry the display connectors straight up from the motherboard using a plastic spudger.

  9. 9

    Remove the screen assembly

    1 min

    Lift the display assembly free from the body and set it carefully on a clean, soft surface.

  10. 10

    Unscrew the motherboard protective shield

    3 min

    Remove the Phillips #00 screws holding down the main board shield covering the internal components.

  11. 11

    Remove the mainboard shield

    1 min

    Use tweezers to lift the metal shield out of the chassis and expose the battery connection.

  12. 12

    Disconnect the battery cable

    1 min

    Lever the battery press-connector off the motherboard using a plastic prying tool.

  13. 13

    Apply isopropyl alcohol around the battery

    2 min

    Drip high-concentration isopropyl alcohol around the edges of the battery cells to dissolve the adhesive underneath.

  14. 14

    Pry up the old battery

    4 min

    Insert a wide plastic pry tool beneath the battery edges and slowly lift until the battery separates from the chassis.

  15. 15

    Remove the old battery

    1 min

    Lift the discharged battery out of the frame and place it in a safe, fire-proof area.

  16. 16

    Clean old adhesive from frame

    3 min

    Scrape off residual adhesive from the battery bay and chassis frame using a plastic spudger and alcohol wipes.

  17. 17

    Apply new battery adhesive

    2 min

    Place replacement battery adhesive strips evenly into the battery bay in the chassis.

  18. 18

    Install the replacement battery

    2 min

    Set the new battery firmly into the bay, press down to adhere, and attach its connector to the motherboard socket.

After your Samsung Galaxy Tab S9 Ultra battery replacement

Power the Galaxy Tab S9 Ultra back on and test the battery replacement function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Samsung Galaxy Tab S9 Ultra job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.

Prefer a professional repair?

Book Samsung Galaxy Tab S9 Ultra battery replacement at LML Repair in Seattle — same-day options available.

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